Oiled Engineered White Oak Flooring Core: Birch plywood, square edge Oiled Engineered White Oak Flooring Style:Oak Engineered ... oil,Unfinished, Hand Scraped, Brushed, Brush & Oiled, Stained.Surface coating:7 times anti-scratch coating ... Beveled (45 degrees).InstallationFirm, reliable, durable, not easily deformed, easy to install.Warranty25-year warranty on wear year Oiled Engineered White Oak Flooring ...